The official website of the I★Chu: Étoile Stage television anime announced the cast members for four music units and other supporting characters on Tuesday. Additional cast will be announced at a later date.

Synopsis
School begins at Étoile Vio School, where idol-hopeful students known as "I-Chu" will undergo training to become full-fledged idols. However, things are off to a strange start when the new students are given a speech from their bear principal?! The I-Chu work steadily toward their goals and ask, "What is an idol?" Each boy will learn to shine as they struggle to find their answer.

Cast
F∞F (Fire Phoenix) (pictured)
Seiya Aido: KENN (IDOLiSH7)
Kanata Minato: Yuuichi Iguchi (Kono Oto Tomare!)
Akira Mitsurugi: Toshiyuki Toyonaga (Yuri!! On Ice)

Twinkle Bell
Satsuki Kururugi: Shoutarou Morikubo (B-Project series)
Mutsuki Kururugi: Takashi Kondou (Sekaiichi Hatsukoi)

I ♥ B
Noah: Natsuki Hanae (Starmyu)
Leon: Toshiki Masuda (Binan Koukou Chikyuu Boueibu LOVE!)
Li Chaoyang: Junya Enoki (The iDOLM@STER SideM)
Rabi: Naoya Nakanishi
Lucas: Yuuichirou Umehara (Tsukipro The Animation)

ArS (Ars)
Torahiko Kusakabe: Youji Ikuta (Jibaku Shounen Hanako-kun opening theme song performance)
Kyosuke Momoi: Hiroyuki Kagura (Sanrio Danshi)
Akio Tobikura: Atsushi Tamaru (Tsuki ga Kirei)
Shiki Amabe: Katsufumi Yachi (Tokyo Ghoul:re)
Hikaru Orihara: Yoshitsugu Matsuoka (Eromanga Sensei)
Raku Wakaoji: Daisuke Hirakawa (Love Stage!!)

Yuzuki Asahina: Megumi Toyoguchi (Suite Precure♪)
Kuma Kocho: Akio Ootsuka (Mob Psycho 100)

Director Hitoshi Nanba (Golden Kamuy) will be helming the series at Lay-duce. Yoshimi Narita (Itsudatte Bokura no Koi wa 10 cm Datta.) is in charge of series composition, and Mina Oosawa (Given) is designing the characters.

I★Chu: Étoile Stage adapts Liber Entertainment Inc.'s I★CHU idol raising smartphone game. The game was released on iOS and Android platforms in 2015. Liber plans to launch a second game with the same name as the anime in April.

Source: animate Times